Slitting means



J, A. CAMERON ET AL.

Jam 2, 11923.

SLITTING MEANS, ORIGINAL FILED 001'. l,

invenmr JZmes i4. flamgron Arafa Patented Jan. 2, 1923. f y i JAMIES CAMERON AND GUSEAF BERGER BIRCH,OF BROOKLYN, NEW YORK, AStElIG-IQ'OR TO .CAMERUI'I IVIACHINE COMPANY, 013 BROOKLYN, NEW] YORK, A CORPORATION OF NEW YORK.

snrrrrne MEANS. I

Application filed October 1, 1918, Serial No. 256,447. Renewed May 31, 1921. Serial 1J0. 13,777.

T aZZ whom itmayconcern: I cutter 1, and it will be understood that when Be it known that we, James A. CAMERON rocking support 3 is turned to the right in and Gus'rilr' B. BIRCH, citizens of the United Fig. 1, after members 1 and 2 are in engage- States, and residents of the borough of ment, cutter holder 9 will swing on pivot 8 Brooklyn, in the city of New York and State and the tension of spring 10 will be in of New York, have invented certain new and creased. In this form of the invention only useful Improvements in Slitting Means, of one of the slitting members, viz: cutter roll which the following is a specification. 1, is driven, motion being imparted by any The present invention relates generally to suitable means as by pulley 12.

10 slitting means and has for its main object a The means for imparting a rookingmotion structure whereby adjustment for the purto rocking support 3 are here constructed as pose of engaging and disengaging the slitfollows: 13 is acrank arm, carried by said ting members may be readily and quickly rocking support, said arm being, at its outer effected, end, internally threaded at right angles to 15 One feature of the invention resides the axis of said rocking support. Extending in a structure where one of the slitthrough the internally threaded portion of ting members is mounted on a rocking supthe crank arm is an externally threaded port, said support having a crank arm intermember 141- rotatable by means of handle 15 nally threaded at right angles to the axis of and having its end tiltably supported by 20 the support, together with a threaded inembearing 16. In this instance the particular her in engagement with the threaded portion means used to tiltably support the end of 75. of the crank arm, there being a bearing that member 1a take the following form. The tiltably supports the threaded member and diameter of bore 17 of bearing 16 is somewith which the latter has idle rotatable enwhat larger than the diameter of stem 14,

25 gagement so that the crank arm and threaded and said stem extends through said bore member are rocked when the latter is roand rotates idly therein, stop collars 18 being tated. secured to said stem as shown to prevent Other features of construction will appear length-wise displacement thereof. It will be as the specification proceeds. understood that, when stem 1 1 is rotated,

30 In the accompanying drawings the invenbearing-16 will prevent lengthwise displacetion is disclosed in a concrete and preferred ment thereof while allowing idle rotation form in which: and tilting, and that therefore crank arm 13 Figure 1 is an end elevation of slitting Will be moved carrying with it roclsting supmeans embodying the invention in one form. port 3. The rocking movement is so slight Figure 2 is a View looking in the direction that the slightly increased diameter of bore of the arrow 2 01? Fig. 1, with parts omitted 17' is sufficient to permit requisite tilting of and in section. stem 14.

Figure 3 is a sectional plan view on the We claim: line 3-3 of F ig. 1. 1. Slitting means comprising: opposed 40 In Figs. 1, 2 and 3, the invention is illusslitting members consisting of a drum and trated in connection with score cutters 1 and a score cutter, a rocking support means for 2 of the character shown in Patent No. rocking said support and for increasing the 1,076,189. 3 is a rocking support suitably tension of one slitting member against the mounted in bushings such as 4, and the cutter other after they are in engagement including 45 2 is carried by it in the following mannerv a holder for one of said slitting members .Rockingsupport 3 is formed with a dovetail pivotally mounted on the rocking support, surface 5 on which is slidably mounted one a spring acting between the rocking support or more cutter carriers 6 secured in position and the holder to urge one slitting member by set screw 7 Pivota-lly mounted at 8 on against the other, a crank arm carried by the 50 said. carrier is the cutter holder 9 in turn rocking support internally threaded at right carrying rotatable cutter 2. A spring 10 is angles to the axis of the latter, a threaded interposed between the end of the cutter member in engagement with the threaded holder 9 and abutment 11 of carrier 6, said portion of the crank arm, and a bearing spring normally urging cutter 2 toward tiltably supporting the threaded member CIT can

and the holder to urge one slitting member against the other, a crank arm carried by the rocking support internally threaded at right or the latter.

angles to the axis ofthe latter, a threaded 7 member in engagement with the threaded portion of the crank arm, a bearing tiltably supporting the threaded member and with Which the latter has idle rotatable engagementto thereby admit of rocking the crank arm and threaded member when the latter is rotated, and means for slidably adjusting one of said slitting members on the rocking support in a direction parallel to the axis Signed at the borough of Brooklyn, in the county of Kings,cityand State of New York, this 27 day of Sept, 1918."

JAMES A. GAMER-ON.

GUSIAF BIRGER BIRCH. 

